Two of my favorite spring plants, almost entirely based upon their progression from bud to leaf, are beech trees and false hellebore (a common wetland plant). I was thinking about why they are so ...

Jun. 12—Pennsylvania naturalists are keeping an eye on a disease that has been killing beech trees in the eastern U.S. for more than a decade, but has begun spreading more rapidly in the past three ...

Brown leaf: Dark bands may remain visible on affected leaves during winter. Photo courtesy of Ontario Ministry of Natural Resources Forestry. (L); Withered leaves: Thick bands of leaf tissue may turn ...

Local landowners are encouraged to check their beech trees for signs of invasive beech leaf disease after the disease was found in St. Clair County earlier this year. The disease causes characteristic ...

Beech leaf disease is out there once again, decimating beech trees in Massachusetts, as it has in the past. It's a relatively new tree disease, which first appeared in 2012 in Ohio, and has since ...

BOLTON, N.Y. (NEWS10) – A disease threatening one of the Adriondack Park’s most commonly-sighted trees has reared its head. Last week, the Adirondack Park Invasive Plant Program (APIPP) reported a ...

But there’s hope, and that’s where Holden Arboretum is playing an important role, whether it’s researching spread of the disease, experimenting with insecticides, or trying to clone trees that are ...

That's the way Meredith Cochran describes the young stand of beech trees that is dying on the upper reaches of land she owns in Hancock behind her house. Three years ago, Cochran first noticed the ...

BALTIMORE -- Maryland officials are asking residents to keep an eye on the greenery after the presence of a tree-killing disease was confirmed in Harford County. The Maryland Department of Agriculture ...

There’s a disease wreaking havoc on beech trees in Pennsylvania. Beech leaf disease currently is found in all but two of the state’s 67 counties. Caused by microscopic nematodes, the disease infects ...